Answer:
a=18.7 or 19 rounded up
Step-by-step explanation:
Use Pythagoras Thereom
a^2=8^2+17^2
a^2=64+289
a^2=353
√353
a=18
Answer: Rs. 1,650
Step-by-step explanation:
First find the original price of the watch.
If the watch is sold at Rs. 1,275, there is a 15% loss.
Assume the watch is x.
(1 - 15%) * x = 1,275
0.85x = 1,275
x = 1,275 / 0.85
x = Rs. 1,500
Now add a 10% markup on the original:
= (1 + 10%) * 1,500
= 1.1 * 1,500
= Rs. 1,650
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Answer:
The mean is 64.33 inches and standard deviation is 2.64 inches.
Step-by-step explanation:
Given:
Mean = 163.4 cm
Standard deviation=6.7 cm
Solution:
As we know 
So for mean, 
For standard deviation, 
Answer:
a > -5
Step-by-step explanation:
Step 1: Flip the inequality.
Step 2: Add 16 to both sides.
Therefore, a > -5.
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